sh: Move the shared INTC code out to drivers/sh/
Paul Mundt [Wed, 1 Oct 2008 07:13:54 +0000 (16:13 +0900)]
The INTC code will be re-used across different architectures, so move
this out to drivers/sh/ and include/linux/sh_intc.h respectively.

Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/include/asm/hw_irq.h
arch/sh/kernel/cpu/irq/Makefile
drivers/sh/Makefile
drivers/sh/intc.c [moved from arch/sh/kernel/cpu/irq/intc.c with 99% similarity]
include/linux/sh_intc.h [new file with mode: 0644]

index d557b00..603cdde 100644 (file)
@@ -2,6 +2,7 @@
 #define __ASM_SH_HW_IRQ_H
 
 #include <linux/init.h>
+#include <linux/sh_intc.h>
 #include <asm/atomic.h>
 
 extern atomic_t irq_err_count;
@@ -23,101 +24,12 @@ struct ipr_desc {
 
 void register_ipr_controller(struct ipr_desc *);
 
-typedef unsigned char intc_enum;
-
-struct intc_vect {
-       intc_enum enum_id;
-       unsigned short vect;
-};
-
-#define INTC_VECT(enum_id, vect) { enum_id, vect }
-#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
-
-struct intc_group {
-       intc_enum enum_id;
-       intc_enum enum_ids[32];
-};
-
-#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
-
-struct intc_mask_reg {
-       unsigned long set_reg, clr_reg, reg_width;
-       intc_enum enum_ids[32];
-#ifdef CONFIG_SMP
-       unsigned long smp;
-#endif
-};
-
-struct intc_prio_reg {
-       unsigned long set_reg, clr_reg, reg_width, field_width;
-       intc_enum enum_ids[16];
-#ifdef CONFIG_SMP
-       unsigned long smp;
-#endif
-};
-
-struct intc_sense_reg {
-       unsigned long reg, reg_width, field_width;
-       intc_enum enum_ids[16];
-};
-
-#ifdef CONFIG_SMP
-#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
-#else
-#define INTC_SMP(stride, nr)
-#endif
-
-struct intc_desc {
-       struct intc_vect *vectors;
-       unsigned int nr_vectors;
-       struct intc_group *groups;
-       unsigned int nr_groups;
-       struct intc_mask_reg *mask_regs;
-       unsigned int nr_mask_regs;
-       struct intc_prio_reg *prio_regs;
-       unsigned int nr_prio_regs;
-       struct intc_sense_reg *sense_regs;
-       unsigned int nr_sense_regs;
-       char *name;
-#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
-       struct intc_mask_reg *ack_regs;
-       unsigned int nr_ack_regs;
-#endif
-};
-
-#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
-#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,           \
-       mask_regs, prio_regs, sense_regs)                               \
-struct intc_desc symbol __initdata = {                                 \
-       _INTC_ARRAY(vectors), _INTC_ARRAY(groups),                      \
-       _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),                 \
-       _INTC_ARRAY(sense_regs),                                        \
-       chipname,                                                       \
-}
-
-#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
-#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups,       \
-       mask_regs, prio_regs, sense_regs, ack_regs)                     \
-struct intc_desc symbol __initdata = {                                 \
-       _INTC_ARRAY(vectors), _INTC_ARRAY(groups),                      \
-       _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),                 \
-       _INTC_ARRAY(sense_regs),                                        \
-       chipname,                                                       \
-       _INTC_ARRAY(ack_regs),                                          \
-}
-#endif
-
-void __init register_intc_controller(struct intc_desc *desc);
-int intc_set_priority(unsigned int irq, unsigned int prio);
-
 void __init plat_irq_setup(void);
-#ifdef CONFIG_CPU_SH3
 void __init plat_irq_setup_sh3(void);
-#endif
+void __init plat_irq_setup_pins(int mode);
 
 enum { IRQ_MODE_IRQ, IRQ_MODE_IRQ7654, IRQ_MODE_IRQ3210,
        IRQ_MODE_IRL7654_MASK, IRQ_MODE_IRL3210_MASK,
        IRQ_MODE_IRL7654, IRQ_MODE_IRL3210 };
-void __init plat_irq_setup_pins(int mode);
 
 #endif /* __ASM_SH_HW_IRQ_H */
index 462a8f6..f0c7025 100644 (file)
@@ -1,8 +1,6 @@
 #
 # Makefile for the Linux/SuperH CPU-specifc IRQ handlers.
 #
-obj-y  += intc.o
-
 obj-$(CONFIG_SUPERH32)                 += imask.o
 obj-$(CONFIG_CPU_SH5)                  += intc-sh5.o
 obj-$(CONFIG_CPU_HAS_IPR_IRQ)          += ipr.o
index a96f4a8..6a025ce 100644 (file)
@@ -1,6 +1,6 @@
 #
 # Makefile for the SuperH specific drivers.
 #
-
 obj-$(CONFIG_SUPERHYWAY)       += superhyway/
 obj-$(CONFIG_MAPLE)            += maple/
+obj-y                          += intc.o
similarity index 99%
rename from arch/sh/kernel/cpu/irq/intc.c
rename to drivers/sh/intc.c
index 138efa4..58d24c5 100644 (file)
@@ -21,6 +21,7 @@
 #include <linux/io.h>
 #include <linux/interrupt.h>
 #include <linux/bootmem.h>
+#include <linux/sh_intc.h>
 
 #define _INTC_MK(fn, mode, addr_e, addr_d, width, shift) \
        ((shift) | ((width) << 5) | ((fn) << 9) | ((mode) << 13) | \
diff --git a/include/linux/sh_intc.h b/include/linux/sh_intc.h
new file mode 100644 (file)
index 0000000..68e212f
--- /dev/null
@@ -0,0 +1,91 @@
+#ifndef __SH_INTC_H
+#define __SH_INTC_H
+
+typedef unsigned char intc_enum;
+
+struct intc_vect {
+       intc_enum enum_id;
+       unsigned short vect;
+};
+
+#define INTC_VECT(enum_id, vect) { enum_id, vect }
+#define INTC_IRQ(enum_id, irq) INTC_VECT(enum_id, irq2evt(irq))
+
+struct intc_group {
+       intc_enum enum_id;
+       intc_enum enum_ids[32];
+};
+
+#define INTC_GROUP(enum_id, ids...) { enum_id, { ids } }
+
+struct intc_mask_reg {
+       unsigned long set_reg, clr_reg, reg_width;
+       intc_enum enum_ids[32];
+#ifdef CONFIG_SMP
+       unsigned long smp;
+#endif
+};
+
+struct intc_prio_reg {
+       unsigned long set_reg, clr_reg, reg_width, field_width;
+       intc_enum enum_ids[16];
+#ifdef CONFIG_SMP
+       unsigned long smp;
+#endif
+};
+
+struct intc_sense_reg {
+       unsigned long reg, reg_width, field_width;
+       intc_enum enum_ids[16];
+};
+
+#ifdef CONFIG_SMP
+#define INTC_SMP(stride, nr) .smp = (stride) | ((nr) << 8)
+#else
+#define INTC_SMP(stride, nr)
+#endif
+
+struct intc_desc {
+       struct intc_vect *vectors;
+       unsigned int nr_vectors;
+       struct intc_group *groups;
+       unsigned int nr_groups;
+       struct intc_mask_reg *mask_regs;
+       unsigned int nr_mask_regs;
+       struct intc_prio_reg *prio_regs;
+       unsigned int nr_prio_regs;
+       struct intc_sense_reg *sense_regs;
+       unsigned int nr_sense_regs;
+       char *name;
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+       struct intc_mask_reg *ack_regs;
+       unsigned int nr_ack_regs;
+#endif
+};
+
+#define _INTC_ARRAY(a) a, sizeof(a)/sizeof(*a)
+#define DECLARE_INTC_DESC(symbol, chipname, vectors, groups,           \
+       mask_regs, prio_regs, sense_regs)                               \
+struct intc_desc symbol __initdata = {                                 \
+       _INTC_ARRAY(vectors), _INTC_ARRAY(groups),                      \
+       _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),                 \
+       _INTC_ARRAY(sense_regs),                                        \
+       chipname,                                                       \
+}
+
+#if defined(CONFIG_CPU_SH3) || defined(CONFIG_CPU_SH4A)
+#define DECLARE_INTC_DESC_ACK(symbol, chipname, vectors, groups,       \
+       mask_regs, prio_regs, sense_regs, ack_regs)                     \
+struct intc_desc symbol __initdata = {                                 \
+       _INTC_ARRAY(vectors), _INTC_ARRAY(groups),                      \
+       _INTC_ARRAY(mask_regs), _INTC_ARRAY(prio_regs),                 \
+       _INTC_ARRAY(sense_regs),                                        \
+       chipname,                                                       \
+       _INTC_ARRAY(ack_regs),                                          \
+}
+#endif
+
+void __init register_intc_controller(struct intc_desc *desc);
+int intc_set_priority(unsigned int irq, unsigned int prio);
+
+#endif /* __SH_INTC_H */